Examples with OrderByOperatorFactory com.facebook.presto.operator.OrderByOperator.OrderByOperatorFactory used on opensource projects

Example 1 with OrderByOperatorFactory

use of com.facebook.presto.operator.OrderByOperator.OrderByOperatorFactory in project presto by prestodb.

the class TestOrderByOperator method testSingleFieldKey.

@Test(dataProvider = "spillEnabled")
public void testSingleFieldKey(boolean spillEnabled, boolean revokeMemoryWhenAddingPages, long memoryLimit) {
    List<Page> input = rowPagesBuilder(BIGINT, DOUBLE).row(1L, 0.1).row(2L, 0.2).pageBreak().row(-1L, -0.1).row(4L, 0.4).build();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(BIGINT, DOUBLE), ImmutableList.of(1), 10, ImmutableList.of(0), ImmutableList.of(ASC_NULLS_LAST), new PagesIndex.TestingFactory(false), spillEnabled, Optional.of(spillerFactory), new OrderingCompiler());
    DriverContext driverContext = createDriverContext(memoryLimit);
    MaterializedResult expected = resultBuilder(driverContext.getSession(), DOUBLE).row(-0.1).row(0.1).row(0.2).row(0.4).build();
    assertOperatorEquals(operatorFactory, driverContext, input, expected, revokeMemoryWhenAddingPages);
}

Example 2 with OrderByOperatorFactory

use of com.facebook.presto.operator.OrderByOperator.OrderByOperatorFactory in project presto by prestodb.

the class TestOrderByOperator method testReverseOrder.

@Test(dataProvider = "spillEnabled")
public void testReverseOrder(boolean spillEnabled, boolean revokeMemoryWhenAddingPages, long memoryLimit) {
    List<Page> input = rowPagesBuilder(BIGINT, DOUBLE).row(1L, 0.1).row(2L, 0.2).pageBreak().row(-1L, -0.1).row(4L, 0.4).build();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(BIGINT, DOUBLE), ImmutableList.of(0), 10, ImmutableList.of(0), ImmutableList.of(DESC_NULLS_LAST), new PagesIndex.TestingFactory(false), spillEnabled, Optional.of(spillerFactory), new OrderingCompiler());
    DriverContext driverContext = createDriverContext(memoryLimit);
    MaterializedResult expected = resultBuilder(driverContext.getSession(), BIGINT).row(4L).row(2L).row(1L).row(-1L).build();
    assertOperatorEquals(operatorFactory, driverContext, input, expected, revokeMemoryWhenAddingPages);
}

Example 3 with OrderByOperatorFactory

use of com.facebook.presto.operator.OrderByOperator.OrderByOperatorFactory in project presto by prestodb.

the class TestOrderByOperator method testMultipleOutputPages.

@Test(dataProvider = "spillEnabled")
public void testMultipleOutputPages(boolean spillEnabled, boolean revokeMemoryWhenAddingPages, long memoryLimit) {
    // make operator produce multiple pages during finish phase
    int numberOfRows = 80_000;
    List<Page> input = rowPagesBuilder(BIGINT, DOUBLE).addSequencePage(numberOfRows, 0, 0).build();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(BIGINT, DOUBLE), ImmutableList.of(1), 10, ImmutableList.of(0), ImmutableList.of(DESC_NULLS_LAST), new PagesIndex.TestingFactory(false), spillEnabled, Optional.of(spillerFactory), new OrderingCompiler());
    DriverContext driverContext = createDriverContext(memoryLimit);
    MaterializedResult.Builder expectedBuilder = resultBuilder(driverContext.getSession(), DOUBLE);
    for (int i = 0; i < numberOfRows; i++) {
        expectedBuilder.row((double) numberOfRows - i - 1);
    }
    MaterializedResult expected = expectedBuilder.build();
    List<Page> pages = toPages(operatorFactory, driverContext, input, revokeMemoryWhenAddingPages);
    assertGreaterThan(pages.size(), 1, "Expected more than one output page");
    MaterializedResult actual = toMaterializedResult(driverContext.getSession(), expected.getTypes(), pages);
    assertEquals(actual.getMaterializedRows(), expected.getMaterializedRows());
    assertEquals(spillEnabled, spillerFactory.getSpillsCount() > 0, format("Spill state mismatch. Expected spill: %s, spill count: %s", spillEnabled, spillerFactory.getSpillsCount()));
}

Example 4 with OrderByOperatorFactory

use of com.facebook.presto.operator.OrderByOperator.OrderByOperatorFactory in project presto by prestodb.

the class TestOrderByOperator method testMemoryLimit.

@Test(expectedExceptions = ExceededMemoryLimitException.class, expectedExceptionsMessageRegExp = "Query exceeded per-node user memory limit of 10B.*")
public void testMemoryLimit() {
    List<Page> input = rowPagesBuilder(BIGINT, DOUBLE).row(1L, 0.1).row(2L, 0.2).pageBreak().row(-1L, -0.1).row(4L, 0.4).build();
    DriverContext driverContext = createTaskContext(executor, scheduledExecutor, TEST_SESSION, new DataSize(10, Unit.BYTE)).addPipelineContext(0, true, true, false).addDriverContext();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(BIGINT, DOUBLE), ImmutableList.of(1), 10, ImmutableList.of(0), ImmutableList.of(ASC_NULLS_LAST), new PagesIndex.TestingFactory(false), false, Optional.of(spillerFactory), new OrderingCompiler());
    toPages(operatorFactory, driverContext, input);
}

Example 5 with OrderByOperatorFactory

use of com.facebook.presto.operator.OrderByOperator.OrderByOperatorFactory in project presto by prestodb.

the class TestOrderByOperator method testSingleFieldKey.

@Test
public void testSingleFieldKey() throws Exception {
    List<Page> input = rowPagesBuilder(BIGINT, DOUBLE).row(1L, 0.1).row(2L, 0.2).pageBreak().row(-1L, -0.1).row(4L, 0.4).build();
    OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(0, new PlanNodeId("test"), ImmutableList.of(BIGINT, DOUBLE), ImmutableList.of(1), 10, ImmutableList.of(0), ImmutableList.of(ASC_NULLS_LAST), new PagesIndex.TestingFactory());
    MaterializedResult expected = resultBuilder(driverContext.getSession(), DOUBLE).row(-0.1).row(0.1).row(0.2).row(0.4).build();
    assertOperatorEquals(operatorFactory, driverContext, input, expected);
}